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Old 01-03-2013, 05:14 AM   #1
PilotCline
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Default Johnson A419 questions

Got my temp controller today. It is hooked up to my GE 7CF freezer. First question. Should I have the Johnson plugged into a surge protector? Second Question it is a model A419ABG-3C. How can I find out if the temperature probe is water proof. Thinking of putting it in a cup of water. Set up so far is cooling mode cut-off, dif 3, APS 12min, and CF is set to turn the unit off if there is a failure. This thing seems great. Thanks!


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Old 01-03-2013, 08:35 AM   #2
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Originally Posted by PilotCline View Post
Got my temp controller today. It is hooked up to my GE 7CF freezer. First question. Should I have the Johnson plugged into a surge protector? Second Question it is a model A419ABG-3C. How can I find out if the temperature probe is water proof. Thinking of putting it in a cup of water. Set up so far is cooling mode cut-off, dif 3, APS 12min, and CF is set to turn the unit off if there is a failure. This thing seems great. Thanks!
I have 3 Johnson's but not sure of the model.

None are in surge protectors and have gone thru a number of power surges/blackout/whatever w/o a problem.

For the water proof question go to their web site.


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Old 01-03-2013, 08:41 AM   #3
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My johnson likes redheads.










yuk yuk yuk.


Okay, I got a johnson controller for my chill box too. It's 100% analog with a simple contact inside and a capillary tube that goes inside the box.


if your unit is like this, then yes, the "probe" is water tight.

upon further reading I see you have a different unit, not analog. I'd still betcha the probe is water-tight. They design these things for use in a fridge you know
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Old 01-03-2013, 09:05 AM   #4
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The probe from my 419 has been in a jar of water for about a month now no problem. I should probably change the water soon too so thanks for the reminder!
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